1/* 2 * Copyright 2017 - Alexandre Torgue <alexandre.torgue@st.com> 3 * 4 * This file is dual-licensed: you can use it either under the terms 5 * of the GPL or the X11 license, at your option. Note that this dual 6 * licensing only applies to this file, and not this project as a 7 * whole. 8 * 9 * a) This file is free software; you can redistribute it and/or 10 * modify it under the terms of the GNU General Public License as 11 * published by the Free Software Foundation; either version 2 of the 12 * License, or (at your option) any later version. 13 * 14 * This file is distributed in the hope that it will be useful, 15 * but WITHOUT ANY WARRANTY; without even the implied warranty of 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 17 * GNU General Public License for more details. 18 * 19 * Or, alternatively, 20 * 21 * b) Permission is hereby granted, free of charge, to any person 22 * obtaining a copy of this software and associated documentation 23 * files (the "Software"), to deal in the Software without 24 * restriction, including without limitation the rights to use, 25 * copy, modify, merge, publish, distribute, sublicense, and/or 26 * sell copies of the Software, and to permit persons to whom the 27 * Software is furnished to do so, subject to the following 28 * conditions: 29 * 30 * The above copyright notice and this permission notice shall be 31 * included in all copies or substantial portions of the Software. 32 * 33 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 34 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES 35 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 36 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT 37 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, 38 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 39 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 40 * OTHER DEALINGS IN THE SOFTWARE. 41 */ 42 43/dts-v1/; 44#include "stm32h743.dtsi" 45#include "stm32h7-pinctrl.dtsi" 46 47/ { 48 model = "STMicroelectronics STM32H743i-EVAL board"; 49 compatible = "st,stm32h743i-eval", "st,stm32h743"; 50 51 chosen { 52 bootargs = "root=/dev/ram"; 53 stdout-path = "serial0:115200n8"; 54 }; 55 56 memory@d0000000 { 57 device_type = "memory"; 58 reg = <0xd0000000 0x2000000>; 59 }; 60 61 aliases { 62 serial0 = &usart1; 63 }; 64 65 vdda: regulator-vdda { 66 compatible = "regulator-fixed"; 67 regulator-name = "vdda"; 68 regulator-min-microvolt = <3300000>; 69 regulator-max-microvolt = <3300000>; 70 regulator-always-on; 71 }; 72 73 v2v9_sd: regulator-v2v9_sd { 74 compatible = "regulator-fixed"; 75 regulator-name = "v2v9_sd"; 76 regulator-min-microvolt = <2900000>; 77 regulator-max-microvolt = <2900000>; 78 regulator-always-on; 79 }; 80 81 usbotg_hs_phy: usb-phy { 82 #phy-cells = <0>; 83 compatible = "usb-nop-xceiv"; 84 clocks = <&rcc USB1ULPI_CK>; 85 clock-names = "main_clk"; 86 }; 87}; 88 89&adc_12 { 90 vdda-supply = <&vdda>; 91 vref-supply = <&vdda>; 92 status = "okay"; 93 adc1: adc@0 { 94 /* potentiometer */ 95 st,adc-channels = <0>; 96 status = "okay"; 97 }; 98}; 99 100&clk_hse { 101 clock-frequency = <25000000>; 102}; 103 104&i2c1 { 105 pinctrl-0 = <&i2c1_pins_a>; 106 pinctrl-names = "default"; 107 i2c-scl-rising-time-ns = <185>; 108 i2c-scl-falling-time-ns = <20>; 109 status = "okay"; 110}; 111 112&rtc { 113 status = "okay"; 114}; 115 116&mac { 117 status = "disabled"; 118 pinctrl-0 = <ðernet_rmii>; 119 pinctrl-names = "default"; 120 phy-mode = "rmii"; 121 phy-handle = <&phy0>; 122 123 mdio0 { 124 #address-cells = <1>; 125 #size-cells = <0>; 126 compatible = "snps,dwmac-mdio"; 127 phy0: ethernet-phy@0 { 128 reg = <0>; 129 }; 130 }; 131}; 132 133&sdmmc1 { 134 pinctrl-names = "default", "opendrain", "sleep"; 135 pinctrl-0 = <&sdmmc1_b4_pins_a &sdmmc1_dir_pins_a>; 136 pinctrl-1 = <&sdmmc1_b4_od_pins_a &sdmmc1_dir_pins_a>; 137 pinctrl-2 = <&sdmmc1_b4_sleep_pins_a &sdmmc1_dir_sleep_pins_a>; 138 broken-cd; 139 st,sig-dir; 140 st,neg-edge; 141 st,use-ckin; 142 bus-width = <4>; 143 vmmc-supply = <&v2v9_sd>; 144 status = "okay"; 145}; 146 147&usart1 { 148 pinctrl-0 = <&usart1_pins>; 149 pinctrl-names = "default"; 150 status = "okay"; 151}; 152 153&usbotg_hs { 154 pinctrl-0 = <&usbotg_hs_pins_a>; 155 pinctrl-names = "default"; 156 phys = <&usbotg_hs_phy>; 157 phy-names = "usb2-phy"; 158 dr_mode = "otg"; 159 status = "okay"; 160}; 161